Abstract
Stemless shoulder arthroplasty was originally introduced in 2004 by a single manufacturer. Now, over a decade later, numerous designs are available outside the USA, but as yet, only one implant has been cleared by the Food and Drug Administration (FDA) and is available for use within the USA. Often referred to as “canal sparing,” these implants are designed for metaphyseal fixation to minimize humeral bone removal, avoid intraoperative and postoperative humeral fracture complications, and to decrease morbidity associated with revision operations. Recently, the second generation of stemless arthroplasty, a convertible implant allowing use in either anatomic or reverse arthroplasty configuration, was released for use outside the USA. This paper will review the available designs, reported results, and raise potential concerns for this emerging technology.
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Dr. R. Sean Churchill reports royalties from Tornier, Inc.
Dr. George Athwal has the potential to receive royalties from Imascap and Tornier. Additionally, he is a consultant for Depuy-Synthes.
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Research involving human and animal subjects was performed in accordance with the Declaration of Helsinki and was approved by the IRB.
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This article is part of the Topical Collection on Shoulder Arthroplasty
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Churchill, R.S., Athwal, G.S. Stemless shoulder arthroplasty—current results and designs. Curr Rev Musculoskelet Med 9, 10–16 (2016). https://doi.org/10.1007/s12178-016-9320-4
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DOI: https://doi.org/10.1007/s12178-016-9320-4